@@ -11,6 +11,8 @@ config ARM64
select ACPI_PPTT if ACPI
select ARCH_HAS_DEBUG_WX
select ARCH_BINFMT_ELF_STATE
+ select ARCH_ENABLE_MEMORY_HOTPLUG
+ select ARCH_ENABLE_MEMORY_HOTREMOVE
select ARCH_HAS_CACHE_LINE_SIZE
select ARCH_HAS_DEBUG_VIRTUAL
select ARCH_HAS_DEBUG_VM_PGTABLE
@@ -305,12 +307,6 @@ config ZONE_DMA32
bool "Support DMA32 zone" if EXPERT
default y
-config ARCH_ENABLE_MEMORY_HOTPLUG
- def_bool y
-
-config ARCH_ENABLE_MEMORY_HOTREMOVE
- def_bool y
-
config SMP
def_bool y
@@ -13,6 +13,8 @@ config IA64
select ARCH_MIGHT_HAVE_PC_SERIO
select ACPI
select ACPI_NUMA if NUMA
+ select ARCH_ENABLE_MEMORY_HOTPLUG
+ select ARCH_ENABLE_MEMORY_HOTREMOVE
select ARCH_SUPPORTS_ACPI
select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
@@ -250,12 +252,6 @@ config HOTPLUG_CPU
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
-config ARCH_ENABLE_MEMORY_HOTPLUG
- def_bool y
-
-config ARCH_ENABLE_MEMORY_HOTREMOVE
- def_bool y
-
config SCHED_SMT
bool "SMT scheduler support"
depends on SMP
@@ -118,6 +118,8 @@ config PPC
# Please keep this list sorted alphabetically.
#
select ARCH_32BIT_OFF_T if PPC32
+ select ARCH_ENABLE_MEMORY_HOTPLUG
+ select ARCH_ENABLE_MEMORY_HOTREMOVE
select ARCH_HAS_DEBUG_VIRTUAL
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
@@ -515,12 +517,6 @@ config ARCH_CPU_PROBE_RELEASE
def_bool y
depends on HOTPLUG_CPU
-config ARCH_ENABLE_MEMORY_HOTPLUG
- def_bool y
-
-config ARCH_ENABLE_MEMORY_HOTREMOVE
- def_bool y
-
config PPC64_SUPPORTS_MEMORY_FAILURE
bool "Add support for memory hwpoison"
depends on PPC_BOOK3S_64
@@ -60,6 +60,8 @@ config S390
imply IMA_SECURE_AND_OR_TRUSTED_BOOT
select ARCH_32BIT_USTAT_F_TINODE
select ARCH_BINFMT_ELF_STATE
+ select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM
+ select ARCH_ENABLE_MEMORY_HOTREMOVE
select ARCH_HAS_DEBUG_VM_PGTABLE
select ARCH_HAS_DEBUG_WX
select ARCH_HAS_DEVMEM_IS_ALLOWED
@@ -626,12 +628,6 @@ config ARCH_SPARSEMEM_ENABLE
config ARCH_SPARSEMEM_DEFAULT
def_bool y
-config ARCH_ENABLE_MEMORY_HOTPLUG
- def_bool y if SPARSEMEM
-
-config ARCH_ENABLE_MEMORY_HOTREMOVE
- def_bool y
-
config ARCH_ENABLE_SPLIT_PMD_PTLOCK
def_bool y
@@ -2,6 +2,8 @@
config SUPERH
def_bool y
select ARCH_32BIT_OFF_T
+ select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM && MMU
+ select ARCH_ENABLE_MEMORY_HOTREMOVE if SPARSEMEM && MMU
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
select ARCH_HAS_BINFMT_FLAT if !MMU
@@ -136,14 +136,6 @@ config ARCH_SPARSEMEM_DEFAULT
config ARCH_SELECT_MEMORY_MODEL
def_bool y
-config ARCH_ENABLE_MEMORY_HOTPLUG
- def_bool y
- depends on SPARSEMEM && MMU
-
-config ARCH_ENABLE_MEMORY_HOTREMOVE
- def_bool y
- depends on SPARSEMEM && MMU
-
config ARCH_MEMORY_PROBE
def_bool y
depends on MEMORY_HOTPLUG
@@ -60,6 +60,8 @@ config X86
select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ARCH_32BIT_OFF_T if X86_32
select ARCH_CLOCKSOURCE_INIT
+ select ARCH_ENABLE_MEMORY_HOTPLUG if X86_64 || (X86_32 && HIGHMEM)
+ select ARCH_ENABLE_MEMORY_HOTREMOVE if MEMORY_HOTPLUG
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_CACHE_LINE_SIZE
select ARCH_HAS_DEBUG_VIRTUAL
@@ -2423,14 +2425,6 @@ config ARCH_HAS_ADD_PAGES
def_bool y
depends on X86_64 && ARCH_ENABLE_MEMORY_HOTPLUG
-config ARCH_ENABLE_MEMORY_HOTPLUG
- def_bool y
- depends on X86_64 || (X86_32 && HIGHMEM)
-
-config ARCH_ENABLE_MEMORY_HOTREMOVE
- def_bool y
- depends on MEMORY_HOTPLUG
-
config USE_PERCPU_NUMA_NODE_ID
def_bool y
depends on NUMA
@@ -149,6 +149,9 @@ config MEMORY_ISOLATION
config HAVE_BOOTMEM_INFO_NODE
def_bool n
+config ARCH_ENABLE_MEMORY_HOTPLUG
+ bool
+
# eventually, we can have this option just 'select SPARSEMEM'
config MEMORY_HOTPLUG
bool "Allow for memory hot-add"
@@ -177,6 +180,9 @@ config MEMORY_HOTPLUG_DEFAULT_ONLINE
Say N here if you want the default policy to keep all hot-plugged
memory blocks in 'offline' state.
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+ bool
+
config MEMORY_HOTREMOVE
bool "Allow for memory hot remove"
select HAVE_BOOTMEM_INFO_NODE if (X86_64 || PPC64)
ARCH_ENABLE_MEMORY_[HOTPLUG|HOTREMOVE] configs have duplicate definitions on platforms that subscribe them. Instead, just make them generic options which can be selected on applicable platforms. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-ia64@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: linux-sh@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- arch/arm64/Kconfig | 8 ++------ arch/ia64/Kconfig | 8 ++------ arch/powerpc/Kconfig | 8 ++------ arch/s390/Kconfig | 8 ++------ arch/sh/Kconfig | 2 ++ arch/sh/mm/Kconfig | 8 -------- arch/x86/Kconfig | 10 ++-------- mm/Kconfig | 6 ++++++ 8 files changed, 18 insertions(+), 40 deletions(-)